JPS61180297U - - Google Patents
Info
- Publication number
- JPS61180297U JPS61180297U JP6273985U JP6273985U JPS61180297U JP S61180297 U JPS61180297 U JP S61180297U JP 6273985 U JP6273985 U JP 6273985U JP 6273985 U JP6273985 U JP 6273985U JP S61180297 U JPS61180297 U JP S61180297U
- Authority
- JP
- Japan
- Prior art keywords
- base body
- gate valve
- vertical hole
- tip side
- retaining plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002265 prevention Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図ないし第４図は本考案の一実施例の土砂
崩壊防止装置の使用方法を示す図である。 図中、１……筒状基体、２……仕切弁、３……
土留板切抜刃物、４……土留板、１１……立孔。
崩壊防止装置の使用方法を示す図である。 図中、１……筒状基体、２……仕切弁、３……
土留板切抜刃物、４……土留板、１１……立孔。
Claims (1)
- 先端側にて立孔孔壁に設けた山留板に水密に取
付けられかつ山留板切抜刃物を後方より挿入可能
な筒状基体と、該基体に備付けられ基体内側を閉
塞可能な仕切弁と、泥水等を該仕切弁より先端側
の基体内部に注入する注水機構を有してなること
を特徴とする立孔における土砂崩壊防止装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6273985U JPS61180297U (ja) | 1985-04-26 | 1985-04-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6273985U JPS61180297U (ja) | 1985-04-26 | 1985-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61180297U true JPS61180297U (ja) | 1986-11-10 |
Family
ID=30592239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6273985U Pending JPS61180297U (ja) | 1985-04-26 | 1985-04-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61180297U (ja) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52108628A (en) * | 1976-03-08 | 1977-09-12 | Tekken Constr Co | Method of propelling work from vertical shaft in method of muddy water propulsion construction and method of muddy water shield construction and propulsion device |
-
1985
- 1985-04-26 JP JP6273985U patent/JPS61180297U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52108628A (en) * | 1976-03-08 | 1977-09-12 | Tekken Constr Co | Method of propelling work from vertical shaft in method of muddy water propulsion construction and method of muddy water shield construction and propulsion device |